1. Robots and Robotic Devices - Collaborative Robots, ISO/TS 15066:2016, 2016.
2. M. Eckert and F. Bry, “Complex Event Processing (CEP),” Informatik Spektrum, p. 163–167, 2009.
3. M. Bélanger-Barrette, “What Does Collaborative Robot Mean?,” Robotiq, Available [https://blog.robotiq.com/what-does-collaborative-robot-mean].
4. Safety of machinery, ISO 12100:2010, 2010.
5. H. B. N. Mawyer, D. S. Welch, “Method for preventing machine component interference,” US4489377A.